src/common/wordfile.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 * Load whitespace separated words from a file into an array.
 * Assume the passed pointer array is big enough to hold them all.
 *
 * External symbols declared in standard.h
 */

/* ====================================================================
 * The Radiance Software License, Version 1.0
 *
 * Copyright (c) 1990 - 2002 The Regents of the University of California,
 * through Lawrence Berkeley National Laboratory.   All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *         notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *           if any, must include the following acknowledgment:
 *             "This product includes Radiance software
 *                 (http://radsite.lbl.gov/)
 *                 developed by the Lawrence Berkeley National Laboratory
 *               (http://www.lbl.gov/)."
 *       Alternately, this acknowledgment may appear in the software itself,
 *       if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
 *       and "The Regents of the University of California" must
 *       not be used to endorse or promote products derived from this
 *       software without prior written permission. For written
 *       permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Radiance",
 *       nor may "Radiance" appear in their name, without prior written
 *       permission of Lawrence Berkeley National Laboratory.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
 * information on Lawrence Berkeley National Laboratory, please see
 * <http://www.lbl.gov/>.
 */

#include <ctype.h>

#define NULL            0

#define MAXFLEN         8192            /* file must be smaller than this */

extern char     *bmalloc();


int
wordfile(words, fname)          /* get words from fname, put in words */
char    **words;
char    *fname;
{
        int     fd;
        char    buf[MAXFLEN];
        register int    n;
                                        /* load file into buffer */
        if (fname == NULL)
                return(-1);                     /* no filename */
        if ((fd = open(fname, 0)) < 0)
                return(-1);                     /* open error */
        n = read(fd, buf, MAXFLEN);
        close(fd);
        if (n < 0)                              /* read error */
                return(-1);
        if (n == MAXFLEN)               /* file too big, take what we can */
                while (!isspace(buf[--n]))
                        if (n <= 0)             /* one long word! */
                                return(-1);
        buf[n] = '\0';                  /* terminate */
        return(wordstring(words, buf)); /* wordstring does the rest */
}


int
wordstring(avl, str)                    /* allocate and load argument list */
char    **avl;
char    *str;
{
        register char   *cp, **ap;
        
        if (str == NULL)
                return(-1);
        cp = bmalloc(strlen(str)+1);
        if (cp == NULL)                 /* ENOMEM */
                return(-1);
        strcpy(cp, str);
        ap = avl;               /* parse into words */
        for ( ; ; ) {
                while (isspace(*cp))    /* nullify spaces */
                        *cp++ = '\0';
                if (!*cp)               /* all done? */
                        break;
                *ap++ = cp;             /* add argument to list */
                while (*++cp && !isspace(*cp))
                        ;
        }
        *ap = NULL;
        return(ap - avl);
}
Revision:	2.8
Committed:	Sat Feb 22 02:07:23 2003 UTC (21 years, 2 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Changes since 2.7:	+60 -4 lines
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	Content
1	#ifndef lint
2	static const char RCSid[] = "$Id$";
3	#endif
4	/*
5	* Load whitespace separated words from a file into an array.
6	* Assume the passed pointer array is big enough to hold them all.
7	*
8	* External symbols declared in standard.h
9	*/
10
11	/* ====================================================================
12	* The Radiance Software License, Version 1.0
13	*
14	* Copyright (c) 1990 - 2002 The Regents of the University of California,
15	* through Lawrence Berkeley National Laboratory. All rights reserved.
16	*
17	* Redistribution and use in source and binary forms, with or without
18	* modification, are permitted provided that the following conditions
19	* are met:
20	*
21	* 1. Redistributions of source code must retain the above copyright
22	* notice, this list of conditions and the following disclaimer.
23	*
24	* 2. Redistributions in binary form must reproduce the above copyright
25	* notice, this list of conditions and the following disclaimer in
26	* the documentation and/or other materials provided with the
27	* distribution.
28	*
29	* 3. The end-user documentation included with the redistribution,
30	* if any, must include the following acknowledgment:
31	* "This product includes Radiance software
32	* (http://radsite.lbl.gov/)
33	* developed by the Lawrence Berkeley National Laboratory
34	* (http://www.lbl.gov/)."
35	* Alternately, this acknowledgment may appear in the software itself,
36	* if and wherever such third-party acknowledgments normally appear.
37	*
38	* 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
39	* and "The Regents of the University of California" must
40	* not be used to endorse or promote products derived from this
41	* software without prior written permission. For written
42	* permission, please contact [email protected].
43	*
44	* 5. Products derived from this software may not be called "Radiance",
45	* nor may "Radiance" appear in their name, without prior written
46	* permission of Lawrence Berkeley National Laboratory.
47	*
48	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
49	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
50	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
51	* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
52	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
53	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
54	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
55	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
57	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
58	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59	* SUCH DAMAGE.
60	* ====================================================================
61	*
62	* This software consists of voluntary contributions made by many
63	* individuals on behalf of Lawrence Berkeley National Laboratory. For more
64	* information on Lawrence Berkeley National Laboratory, please see
65	* <http://www.lbl.gov/>.
66	*/
67
68	#include <ctype.h>
69
70	#define NULL 0
71
72	#define MAXFLEN 8192 /* file must be smaller than this */
73
74	extern char *bmalloc();
75
76
77	int
78	wordfile(words, fname) /* get words from fname, put in words */
79	char **words;
80	char *fname;
81	{
82	int fd;
83	char buf[MAXFLEN];
84	register int n;
85	/* load file into buffer */
86	if (fname == NULL)
87	return(-1); /* no filename */
88	if ((fd = open(fname, 0)) < 0)
89	return(-1); /* open error */
90	n = read(fd, buf, MAXFLEN);
91	close(fd);
92	if (n < 0) /* read error */
93	return(-1);
94	if (n == MAXFLEN) /* file too big, take what we can */
95	while (!isspace(buf[--n]))
96	if (n <= 0) /* one long word! */
97	return(-1);
98	buf[n] = '\0'; /* terminate */
99	return(wordstring(words, buf)); /* wordstring does the rest */
100	}
101
102
103	int
104	wordstring(avl, str) /* allocate and load argument list */
105	char **avl;
106	char *str;
107	{
108	register char cp, *ap;
109
110	if (str == NULL)
111	return(-1);
112	cp = bmalloc(strlen(str)+1);
113	if (cp == NULL) /* ENOMEM */
114	return(-1);
115	strcpy(cp, str);
116	ap = avl; /* parse into words */
117	for ( ; ; ) {
118	while (isspace(cp)) / nullify spaces */
119	*cp++ = '\0';
120	if (!cp) / all done? */
121	break;
122	ap++ = cp; / add argument to list */
123	while (++cp && !isspace(cp))
124	;
125	}
126	*ap = NULL;
127	return(ap - avl);
128	}